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30964740 = 22351373767
BaseRepresentation
bin111011000011…
…1110000000100
32011021011122020
41312013300010
530411332430
63023403140
7524124132
oct166076004
964234566
1030964740
111652a2a4
12a4534b0
136552141
144180752
152ab9b10
hex1d87c04

30964740 has 48 divisors (see below), whose sum is σ = 87357312. Its totient is φ = 8194816.

The previous prime is 30964723. The next prime is 30964757. The reversal of 30964740 is 4746903.

It is an interprime number because it is at equal distance from previous prime (30964723) and next prime (30964757).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6337 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (1819944).

Almost surely, 230964740 is an apocalyptic number.

30964740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30964740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43678656).

30964740 is an abundant number, since it is smaller than the sum of its proper divisors (56392572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30964740 is a wasteful number, since it uses less digits than its factorization.

30964740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30964740 is about 5564.5970204499. The cubic root of 30964740 is about 314.0189178157.

The spelling of 30964740 in words is "thirty million, nine hundred sixty-four thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137 274 411 548 685 822 1370 1644 2055 2740 3767 4110 7534 8220 11301 15068 18835 22602 37670 45204 56505 75340 113010 226020 516079 1032158 1548237 2064316 2580395 3096474 5160790 6192948 7741185 10321580 15482370 30964740